各国经济形势的变化往往会在汇率上表现出来,如美元对人民币的汇率,2007年以前一直在100美元兑换820—830元之间波动。这表示 ( )
We are quite ______ to our parents and our teacher alike.
We asked both Tonny and Jerry, but could offer any help.
children believe they can succeed, they will never become totally independent.
—Do you like cooking, Sally? —.Luckily, I’ve never had to worry about it.
The achievements we have made are largely ___ the hard work of our parents and teachers.